Dissuade (verb)

1. To persuade someone not to do something.
2. To discourage or deter someone from taking a particular course of action.

Origin:

From the latin dissuadere, from dis- + suadere to advise.

Examples:

1. He tried to dissuade her from quitting her job.
2. The teacher tried to dissuade the students from cheating.
3. She tried to dissuade him from making a hasty decision.
4. The doctor dissuaded the patient from taking unnecessary risks.
5. The counselor dissuaded the client from pursuing a dangerous course of action.